*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
a{
    text-decoration: none;
    color: inherit;
}
ul{
    list-style: none;
}
img{
    width: 100%;
    display: block;
}
body{
    max-width: 640px;
    min-width: 320px;
    margin: 0 auto;
}
.xiecheng{
    .conskyblue{
        background-color: skyblue;
    }
    .conhotpink{
        background-color: hotpink;
    }
    .congreen{
        background-color: aqua;
    }
    .conten{
        display: flex;
        height: 100px;
        margin: 5px;
        .conten-left{
            flex: 1;
            display: flex;
            justify-content: center;
            align-items: center;
            // font-size: 16rem * 10 / 640;
            font-size: 16px;
            font-weight: 600;
            border-right: 2px dashed white;
        }
        .conten-right{
            flex: 2;
            background-color: red;
            display: flex;
            flex-wrap: wrap;
            a:nth-child(-n+2){
                border-bottom: 2px dashed white;
            }
            a:nth-child(odd){
                border-right: 2px dashed white;
            }
            a{
                width: 50%;
                display: flex;
                justify-content: center;
                align-items: center;

            }
        }
    }
    .last{
        display: flex;
        flex-wrap: wrap;
        height: 100px;
        margin: 5px;
        background-color: cadetblue;
        a:nth-child(2){
            border-left:2px dashed white;
            border-right:2px dashed white;
        }
        a:nth-child(-n+3){
            border-bottom: 2px dashed white;
        }
        a:nth-child(5){
            border-left:2px dashed white;
            border-right:2px dashed white;
        }
        a{
            display: flex;
            width: 33.33%;
            justify-content: center;
            align-items: center;
        }
    }
    .integral{
        display: flex;
        margin: 5px;
        a{
            flex: 1;
        }
    }
    footer{
        div:nth-child(1){
            display: flex;
            height: 35px;
            margin-bottom: 5px;
            a{
                flex: 1;
                text-align: center;
                line-height: 35px;
            }
        }
        div:nth-child(2){
            display: flex;
            margin-bottom: 5px;
            a{
                flex: 1;
                display: flex;
                justify-content: space-around;
            }
        }
    }
    p{
        text-align: center;
        margin-bottom: 20px;
    }
}
